Method for encrypting multimedia data
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United States of America Patent
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Issued Date -
Mar 13, 2003
app pub date -
Sep 10, 2002
filing date -
Sep 10, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a method for encrypting multimedia data using fingerprint. In accordance with the preferred embodiment of the present invention, the fingerprint is computed using a data unit that is produced by dividing the multimedia data into a plurality of units as well as another data unit associated with the data unit in a predetermined formula or another fingerprint value corresponding the another data unit in a predetermined formula. Accordingly, modification of the multimedia data is easily detected as well as such modification becomes so difficult.
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